const plugin = require("tailwindcss/plugin");

/* CONFIG */

const light = { r: 255, g: 237, b: 216 };
const mid = { r: 240, g: 209, b: 179 };
const dark = { r: 156, g: 102, b: 68 };
const shade = { r: 156, g: 102, b: 68 };
const black = { r: 27, g: 24, b: 17 };

const dark_light = { r: 38, g: 34, b: 30 };
const dark_mid = { r: 57, g: 45, b: 34 };
const dark_dark = { r: 192, g: 132, b: 94 };
const dark_shade = { r: 12, g: 6, b: 4 };
const dark_black = { r: 235, g: 234, b: 231 };

const breakDektop = { min: "60rem" };
const breakMobile = { max: "60rem" };
const breakThin = { max: "25rem" };

/* END CONFIG */

function withOpacity(variableName) {
  return ({ opacityValue }) => {
    if (opacityValue) {
      return `rgba(var(${variableName}), ${opacityValue})`;
    }
    return `rgb(var(${variableName}))`;
  };
}

module.exports = {
  darkMode: "class",
  content: ["./src/**/*.{tsx,ts}"],
  theme: {
    colors: {
      light: withOpacity("--theme-color-light"),
      mid: withOpacity("--theme-color-mid"),
      dark: withOpacity("--theme-color-dark"),
      shade: withOpacity("--theme-color-shade"),
      black: withOpacity("--theme-color-black"),
    },
    fontFamily: {
      body: ["Zen Maru Gothic"],
      headers: ["Vollkorn"],
      monospace: ["monospace"],
    },
    screens: {
      desktop: breakDektop,
      mobile: breakMobile,
      thin: breakThin,
      coarse: { raw: "(pointer: coarse)" },
      fine: { raw: "(pointer: fine)" },
    },
    extend: {
      boxShadow: {
        "inner-sm": "inset 0 1px 4px -2px",
      },
    },
  },
  plugins: [
    require("@tailwindcss/typography"),

    // Colored Dropshadow
    plugin(function ({ addUtilities }) {
      addUtilities({
        ".set-theme-light": {
          "--theme-color-light": `${light.r}, ${light.g}, ${light.b}`,
          "--theme-color-mid": `${mid.r}, ${mid.g}, ${mid.b}`,
          "--theme-color-dark": `${dark.r}, ${dark.g}, ${dark.b}`,
          "--theme-color-shade": `${shade.r}, ${shade.g}, ${shade.b}`,
          "--theme-color-black": `${black.r}, ${black.g}, ${black.b}`,
          "--theme-texture-dots": `url("/paper-dots.webp")`,
          "--theme-texture-dots-blend": `multiply`,
        },
        ".set-theme-dark": {
          "--theme-color-light": `${dark_light.r}, ${dark_light.g}, ${dark_light.b}`,
          "--theme-color-mid": `${dark_mid.r}, ${dark_mid.g}, ${dark_mid.b}`,
          "--theme-color-dark": `${dark_dark.r}, ${dark_dark.g}, ${dark_dark.b}`,
          "--theme-color-shade": `${dark_shade.r}, ${dark_shade.g}, ${dark_shade.b}`,
          "--theme-color-black": `${dark_black.r}, ${dark_black.g}, ${dark_black.b}`,
          "--theme-texture-dots": `url("/paper-dots-dark.webp")`,
          "--theme-texture-dots-blend": `overlay`,
        },
      });
    }),

    plugin(function ({ addVariant, e }) {
      addVariant("webkit-scrollbar", ({ modifySelectors, separator }) => {
        modifySelectors(({ className }) => {
          return `.${e(
            `webkit-scrollbar${separator}${className}`
          )}::-webkit-scrollbar`;
        });
      });
    }),

    // Colored Dropshadow
    plugin(function ({ addUtilities }) {
      addUtilities({
        ".drop-shadow-shade-md": {
          filter: `drop-shadow(0 4px 3px rgba(var(--theme-color-shade), 0.15)) drop-shadow(0 2px 2px rgba(var(--theme-color-shade), 0.2))`,
        },
        ".drop-shadow-shade-lg": {
          filter: `drop-shadow(0 10px 8px rgba(var(--theme-color-shade), 0.2)) drop-shadow(0 4px 3px rgba(var(--theme-color-shade), 0.4))`,
        },
        ".drop-shadow-shade-xl": {
          filter: `drop-shadow(0 20px 13px rgba(var(--theme-color-shade), 0.25)) drop-shadow(0 8px 5px rgba(var(--theme-color-shade), 0.7))`,
        },
        ".drop-shadow-shade-2xl": {
          filter: `drop-shadow(0 25px 25px rgba(var(--theme-color-shade), 0.8))`,
        },

        ".drop-shadow-black-md": {
          filter: `drop-shadow(0 4px 3px rgba(var(--theme-color-black), 0.15)) drop-shadow(0 2px 2px rgba(var(--theme-color-black), 0.2))`,
        },
        ".drop-shadow-black-lg": {
          filter: `drop-shadow(0 10px 8px rgba(var(--theme-color-black), 0.2)) drop-shadow(0 4px 3px rgba(var(--theme-color-black), 0.4))`,
        },
        ".drop-shadow-black-xl": {
          filter: `drop-shadow(0 20px 13px rgba(var(--theme-color-black), 0.25)) drop-shadow(0 8px 5px rgba(var(--theme-color-black), 0.7))`,
        },
        ".drop-shadow-black-2xl": {
          filter: `drop-shadow(0 25px 25px rgba(var(--theme-color-black), 0.8))`,
        },
      });
    }),

    plugin(function ({ addUtilities }) {
      addUtilities({
        ".linearbg-obi": {
          background:
            "linear-gradient(to right, rgb(var(--theme-color-mid)), rgb(var(--theme-color-light)) 3%, rgb(var(--theme-color-light)) 97%, rgb(var(--theme-color-mid)))",
        },
      });
    }),
  ],
};